Using extremely simple techniques:
Clever. I like it.
That's what we have IQ for.
I showed videos of this guy to someone last year who persistently tried to convince me that ancient civilisations had anti-gravity technology and that's how the pyramids, stone henge and the modern day coral castle were built. Despairingly they still didn't believe the real physics of it and sent me links to crackpot documentaries.
This guy is ingenious! I would have never thought of that. I suppose people back then had a fair amount of time to think after they collected their food and because they lacked reality tv.
That was very cool.
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